Choi Go Bong, played by Yang Dong Geun, works in the field of artificial intelligence. His wife died seven years ago after giving birth to their son Choi Yool. Choi Go Bong then developed a borg mom, played by Park Han Byul, using AI and robotics. Choi Yool enters a prestigious kindergarten and the borg mom meets other mothers there. The mothers group is full of vanity and pretentiousness. Go Bong has to hide the fact that the borg mom is a robot from the pretentious mothers group, and he also has to develop a better program for the borg mom. Will he be able to pull everything off and keep the borg mom by his side?